Did Microsoft Sell Dos to Ibm?

According to Allen, under the contract signed that November, IBM agreed to pay Microsoft a total of $430,000, including $45,000 for what would end up being called DOS, $310,000 for the various 16-bit languages, and $75,000 for "adaptions, testing and consultation."

What company did Microsoft sell DOS to?

The deal with IBM allowed Microsoft to have control of its own QDOS derivative, MS-DOS, and through aggressive marketing of the operating system to manufacturers of IBM-PC clones Microsoft rose from a small player to one of the major software vendors in the home computer industry.

Did Microsoft buy DOS?

Microsoft purchased 86-DOS, allegedly for $50,000. This became Microsoft Disk Operating System, MS-DOS, introduced in 1981. "Microsoft also licensed their system to multiple computer companies, who supplied MS-DOS for their own hardware, sometimes under their own names.